CHANGZHOU BONEN MOTOR TECHNOLOGY CO.,LTD
BONEN ELECTRIC (CHANGZHOU) CO,.LTD Professional Manufacturer of Electric Bike conversion kit!
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SHIMANO Bike Freewheel 8S/9S 11-25 28 32 40 42T Cassette Sprocket for ebike conversion kit
| DETAILS | |
| Brand Name: | SHIMANO |
| Components: | Freewheel |
| Gear Teeth: | 36 - 42T |
| Model Number: | CSM-9M |
| Material: | Steel |
| Flywheel Adjustable Gear Number: | 9-speed |
| Sensitivity: | 36 Sounds |
| Freewheel Speed: | 9 |
| Color: | BROWN |
| Weight: | about 438g |
| RATIOS: | 13T-15T-18T-21T-24T-28T-34T-40T |
Description
* The material of high tensile steel made by the technology of quench-temper hardening, makes it more durable and has extreme resistance to abrasion.
* The unique design of the gear sprocket exclusively for mountain bike, provides you a better experience to control the shift function.
* We adopted the hollow design to reduce the weight to some extent.
* The surface made by the technology of chrome plating, makes it hard to rust and provides a long service life. And the surface of black has a fine appearance and will give you a luxurious feel.
Attention
* We have got the reference description for you, please check the actual need with your bicycle before order this product.
* For your safety, please be careful with special tools when installing. If you can not install it well, please go to a nearby bicycle store for help.
* Suggestion: If you want to replace a new cassette, you had better to install a suitable chain at the same time, otherwise the shifting system may cause significant noises and failures in working.
